Indigenous Health Circle (formerly SOADI)
Diabetes Core ADA Podcast: https://www.diabetesjournals.org/content/diabetes-core-update-podcasts
For managing diabetes: FREE, although there are in-app purchases that can also get rid of ads.
Apps can be useful in tracking and revealing patterns in glucose management. These are suggestions, the apps may not work for you, and so it is important to try others if you are unsatisfied, as there may be a better fit.